Drinking cup cap



FIG. 1 is a perspective view of the drinking cup cap;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view, the right side view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings depict unclaimed portions of the drinking cup cap and forms no part of the claimed design. 

CLAIM An ornamental design for a drinking cup cap, as shown and described. 